KROHNE BM 702 EN - Manual (Page 5)

Installation and operating instructions BM 702 (06/04) 5
2 Installation
Most of the BM 702 versions are supplied in fully assembled condition. In this case, you
may skip this chapter. However, if a device should be delivered in parts, or parts are
subsequently replaced, the following should be noted.
2.1 Field assembly
• For any necessary field assembly of the
BM 702, all parts are included with the
supply (stud bolts, washers, etc.).
• Bolt the waveguide window (flange mount)
or distance piece, if supplied loose, to the
BM 702. Torque for the sets of 4 Allen
screws M (key size 5 mm): max. 8 Nm
∼
0.8 kpm (5.8 ft lbf).
• Note: Ensure the upper Teflon plug is kept
absolutely dry and clean! Moisture and dirt
will impair functionability of the BM 702!
• Bolt antenna extension to the antenna;
torque for the 3 stud bolts A: max. 8 Nm
∼
0,8 kpm (5.8 ft lbf).
Do not detach bolts H !
distance piece (for
high-temperature version
up to 250°C (482 °F)
upper Teflon plug
O-ring
lower Teflon plug
O-ring
BM70 A
connecting flange
antenna extension
antenna
M
H
M
A
signal converter
Version:
Flange
Stick plating
(for Hastelloy,
Stick
Gasket Gasket
Horn
antenna
Separation
(Metaglass)
Wave-Stick Wave-Stick
(PP or PTFE)
Flange system 96
with horn antenna LP flange system
max. 2 bar
max. 2 bar
distance piece
(optional)
High temperature
plate
Horn
antenna
Flange
Ti, Ta)
PTFE
w/o plate
with horn antenna
BM 702
converter